South Africa vs Tonga: Ozone depleting substances index

South Africa
0.48
in 2021
Tonga
0.56
in 2021
South Africa rank
118th
Tonga rank
116th

Ozone depleting substances index over time

  • South Africa
  • Tonga
01.0k2.0k3.0k4.0k5.0k198620032021

How they compare

Tonga currently reports 0.56 against 0.48 in South Africa, a difference of 0.08.

That makes Tonga's figure about 1.2 times South Africa's.

The two have swapped places 8 times across 30 shared years of data; in 1986 it was Tonga ahead.

South Africa ranks 118th and Tonga ranks 116th of 160 countries.

Across the 5 decades both report, South Africa averaged higher in 3 and Tonga in 2.

Head to head by decade

Decade South Africa Tonga Difference Ahead
1980s 115.84 100 15.84 South Africa
1990s 11.93 822.22 810.29 Tonga
2000s 4.04 17.22 13.18 Tonga
2010s 1.92 1.61 0.31 South Africa
2020s 0.525 0.28 0.245 South Africa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ozone depleting substances index, South Africa or Tonga?
Tonga, at 0.56 against 0.48 in South Africa as of 2021.
What is the difference in ozone depleting substances index between South Africa and Tonga?
0.08, with Tonga ahead.
How many years of comparable data are there for South Africa and Tonga?
30 years are reported by both, from 1986 to 2021.
How do South Africa and Tonga rank globally for ozone depleting substances index?
South Africa ranks 118th and Tonga ranks 116th of 160 countries.
Where does this data come from?
Our World in Data, published as Ozone depleting substances index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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South Africa vs Tonga: Ozone depleting substances index. Statizoid, drawing on Our World in Data. Retrieved 19 August 2026, from https://environment.statizoid.com/compare/ozone-depleting-substances-index/south-africa/tonga/

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About this data

Indicator
Ozone depleting substances index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
162 places, 5,207 data points, 1986–2022
Last refreshed